Data processing system including priority feature for plural peripheral devices



March 8, 1966 D. w. MASTERS 3,239,819

DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE Filed May 1. 1962 FOR PLURAL PERIPHERAL DEVICES 56 Sheets-Sheet l MAGNETIC MAGNETIC Q TAPE TAPE .O UN'TS UNITS Q MASS RANDOM O ACCESS FILE DOCUMENT 1g "EMMY HANDLE R 29 as L I 1 I l CONTROL CONTROLI I CONTROLI CONTROL 1 r PRINTER CONTROLLER PRINTER a CONTROL SELECTOR a CONTROL CARD CENTRAL f CARD READER PROCESSOR PUNCH |6 CONSOLE L FIG.I

DAVID W. MASTERS INVENTORS BY Kim M ATTORNEY March 8, 1966 D. w. MASTERS 3,239,319

DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES Filed May 1, 1962 56 Sheets-Sheet 2 I 2 3 4 5 6 7 8 9 IO II l2 l3 l4 I5 I6 l7 IS I9 0 O I O O I O O O O I l O O O O O I O Y JL V J F J B 6 2 I 2 B 9 IO II I2 I3 I4 I5 I6 l7 l8 l9 0 O O O O O O O O O O I I O O O I OPERATION X RE CODE X OPERAND ADD SS ADDRESS MODIFICATION BITS FIG.5 O I 2 3 4 5 6 7 8 9 IO ll l2 I3 I4 l5 I6 I? IS IS CONTROLLER GIOI I02 GIOZ 3 IIO3 March 8, 1966 D. w. MASTERS 3,239,819

DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES Filed May 1, 1962 56 Sheets-Sheet 5 FIG.7

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DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES Filed May 1. 1962 56 Sheets-Sheet 8 L L FL 26! r1 L n 262 L L L 263 L L FL 264 L L L 265 March 8, 1966 D. w. MASTERS SYSTEM INCLUDING PRIORITY FEATU FOR PLURAL PERIPHERAL DEVICES DATA PROCESS ING 56 Sheets-Sheet 10 Filed May 1. 1962 E05: 3553 oh P20 oln .OOw

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March 8, 1966 D. w. MASTERS 3,239,819

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March 8, 1966 D. w. MASTERS DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES 56 Sheets-Sheet 17 Filed May 1. 1962 u o .518 12w G52 u oz NM 0E 15 d8 .22: 58 .255 x3 .cSi mom: 9-

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DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES Filed May 1, 1962 56 Sheets-Sheet 18 E 9 v o Eel GIBOI was FIG. 33 T (sTo)' March 8, 1966 D. w. MASTERS 3,239,319

DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES Filed May 1, 1962 36 Sheets-Sheet 19 March 8, 1966 o. w. MASTERS DATA PROCESSING SYSTEM INCLUDING PRIORITY FEATURE FOR PLURAL PERIPHERAL DEVICES 56 Sheets-Sheet 20 Filed May 1, 1962 mm QE Ema 

1. IN A DATA PROCESSING SYSTEM COMPRISING A CENTRAL PROCESSOR, INCLUDING DATA STORAGE, ARITHMETIC AND CONTROL MEANS, AND A PLURALITY OF PERIPHERAL DEVICES; SELECTING MEANS IN CIRCUIT WITH SAID CENTRAL PROCESSOR FOR ENABLING ACCESS OF SAID PERIPHERAL DEVICES TO SAID DATA STORAGE MEANS IN ACCORDNACE WITH A PREDETERMINED PRIORITY AND MEANS 